CN214568718U - Large-volume feeding device - Google Patents

Abstract

The utility model relates to a belt conveyor's field discloses a big volume material feeding unit, and it includes material conveying mechanism and baffle box, the baffle box passes through the landing leg and supports in material conveying mechanism's the outside, the baffle box is located material conveying mechanism's top, be equipped with the buffer board on the cell wall of baffle box, one side that the buffer board deviates from the baffle box has been seted up a plurality ofly and has been connect the silo, and is a plurality of connect the silo to set up along the vertical direction of buffer board, the top of baffle box has set firmly the apron, the blanking mouth has been seted up on the apron. This application has the change frequency that reduces the operator to the buffer board to resources are saved's effect.

Description

Large-volume feeding device

Technical Field

The application relates to the field of belt conveyors, in particular to a large-volume feeding device.

Background

The belt conveyor is the main conveying equipment for material transportation and can also be called a feeding device. The belt of the belt conveyor moves according to the principle of friction transmission and is suitable for conveying powdery, granular and small-block low-abrasion materials. Generally, a feeding device for feeding toward a belt is provided above the belt of the belt conveyor.

In the related art, the feeding device is arranged on a belt conveyor, and referring to fig. 1, the feeding device includes a carrier roller frame 11, a deviation correcting roller set 12 rotatably arranged on the carrier roller frame 11, and a material guide chute 3 arranged above the deviation correcting roller set 12, and the deviation correcting roller set 12 is used for tensioning a top belt of a conveyor belt 2. The top of the material guide groove 3 is provided with a blanking port 61. During operation, the material falls into baffle box 3 through blanking mouth 61 to slide along the inner wall of baffle box 3 and fall onto conveyer belt 2, carry the material through conveyer belt 2. Since the materials are all in the form of powder, particles and small blocks, when the materials slide along the inner wall of the material guide chute 3, friction force is generated between the materials and the inner wall of the material guide chute 3, and the materials are easily abraded due to long time. Usually, one deck metal wearing layer can add on the inner wall of baffle box 3, but the material can lead to the fact wearing and tearing to metal wearing layer, leads to metal wearing layer's change frequency higher, causes the wasting of resources easily.

To the correlation technique among the above-mentioned, utility model people think material blanking time with the wearing layer friction, lead to the change frequency of wearing layer high, and the defect that causes the wasting of resources exists.

SUMMERY OF THE UTILITY MODEL

In order to rub with the wearing layer when improving the material blanking, cause the change frequency of wearing layer to increase, and cause the defect of wasting of resources, this application provides a large-volume material feeding unit.

The application provides a big volume material feeding unit adopts following technical scheme to obtain:

the utility model provides a large-volume feeding device, includes material conveying mechanism and baffle box, the baffle box passes through the landing leg and supports in material conveying mechanism's the outside, the baffle box is located material conveying mechanism's top, be equipped with the buffer board on the cell wall of baffle box, one side that the buffer board deviates from the baffle box has been seted up a plurality ofly and has been connect the silo, and is a plurality of connect the silo to set up along the vertical direction of buffer board, the top of baffle box has set firmly the apron, the blanking mouth has been seted up on the apron.

Through the technical scheme. The during operation, the material falls into through the blanking mouth and connects the silo in, then along the baffle box landing, produce the friction between material and the buffer board this moment, part material this moment falls into and connects the silo in, the material that is held back by connecing the silo forms the protective layer on the surface of buffer board, when the follow-up material blanking that has, the looks mutual friction between the protective layer that material and material formed, material and buffer board direct friction has been reduced and the possibility that causes wearing and tearing to the buffer board, thereby be favorable to reducing the change frequency of buffer board, be favorable to resources are saved.

Preferably: fixedly connected with interior plate on the inner wall of baffle box, the interior plate extends to the below of baffle box, the buffer board passes through the connecting piece and can dismantle the connection on the interior plate.

Through above-mentioned technical scheme, when interior curb plate and buffer board were worn and torn, the operator can change interior curb plate and buffer board to make the baffle box can continue to use, be favorable to prolonging whole material feeding unit's practical life.

Preferably: the connecting piece comprises a supporting block, an inserting block and a first connecting plate connected to the inserting block, inserting grooves are formed in two ends of the buffer plate in the vertical direction, the supporting block is located below the inserting block, the supporting block is fixedly connected to one side, away from the guide groove, of the inner side plate, a protruding block is arranged on one side, facing the buffer plate, of the supporting block, the protruding block is inserted into the inserting grooves in a sleeved mode, the buffer plate is supported on the supporting block, the inserting block is arranged on one side, away from the guide groove, of the inner side plate in a sliding mode, the inserting block is inserted into the inserting grooves, the first connecting plate is attached to one side of the buffer plate, and the first connecting plate is fixed to the buffer plate through screws.

Through above-mentioned technical scheme, when the buffer board is worn and torn by the material, when needing to be changed, the operator unscrews the screw from first connecting plate, and the operator removes the direction of pegging graft piece orientation away from the buffer board after that, breaks away from in the grafting groove until the pegging graft piece, then the operator removes the direction of buffer board orientation away from the tray again to dismantle the buffer board from the interior curb plate, so that the operator changes the buffer board, and easy operation is convenient.

Preferably: the material conveying mechanism comprises a roller frame and a correction roller set rotatably arranged on the roller frame, the correction roller set is used for tensioning a top belt of the conveying belt, the bottom end of the inner side plate is located above the conveying belt, and an anti-dust overflow assembly is arranged between the inner side plate and the conveying belt.

Through above-mentioned technical scheme, the setting of anti-overflow dirt subassembly for clearance between interior plate and the conveyer belt is plugged up, has reduced the conveyer belt and has carried the material when, floats the dirt and spills over the possibility from the clearance between interior plate and the conveyer belt, has played dirt-proof effect.

Preferably: the anti-dust overflow assembly comprises an anti-dust overflow skirt edge and a fixing piece used for fixing the anti-dust overflow skirt edge, one end of the anti-dust overflow skirt edge is attached to one side of the inner side plate, which deviates from the buffer plate, and the other end of the anti-dust overflow skirt edge is inconsistent with the conveying belt.

Through above-mentioned technical scheme, the anti-overflow shirt rim blocks up the clearance between interior plate and the conveyer belt, is favorable to reducing the floating dust that the material produced and spills over from the clearance between interior plate and the conveyer belt, and causes the possibility of polluting the air.

Preferably: the anti-overflow shirt rim includes straight portion and flexion, the flexion is connected in one side that straight portion deviates from the interior plate, straight portion and flexion all offset with the conveyer belt towards one side of rectifying the roller set.

Through above-mentioned technical scheme, the effect of dual shutoff has been played the clearance between interior plate and the conveyer belt to the anti-overflow shirt rim to the common conflict of flexion and flat portion on the conveyer belt to further strengthen dirt-proof effect.

Preferably: the bending part is provided with a protruding part towards one end of the conveying belt, and the protruding part is abutted to the conveying belt.

Through above-mentioned technical scheme, the area of contact between flexion tip and the conveyer belt has been reduced in the setting of bellying, under same pressure, has strengthened the pressure in the place of horizontal part and conveyer belt contact to be favorable to strengthening the stability of contradicting between bellying and the conveyer belt.

Preferably: the mounting includes the holder, the holder sets up the one side that deviates from the buffer board at the interior plate, the exposed core of holder is contradicted and is deviated from one side of baffle box at the anti-overflow shirt rim.

Through above-mentioned technical scheme, the setting of holder, the operator of being convenient for changes the anti-overflow shirt rim, when needs are changed the anti-overflow shirt rim, the operator removes the holder fixed to the anti-overflow shirt rim, then changes the anti-overflow shirt rim, and easy operation is convenient.

Preferably: the guide chute is characterized in that a plurality of dust blocking curtains are arranged above the conveying belt and are arranged at intervals along the conveying direction of the conveying belt, and the dust blocking curtains are connected with the cover plate.

Through above-mentioned technical scheme, when the material fell on the conveyer belt through the blanking mouth, can produce a large amount of floating dusts, the conveyer belt carries out the in-process carried to the material this moment, and floating dusts is favorable to reducing the floating dust volume through blockking of a plurality of fender dirt curtains in proper order, has played the effect that presses down dirt.

Preferably: lead to the groove has been seted up in the top of keeping off the dirt curtain on the apron, one side that the apron deviates from the dirt curtain is equipped with the second connecting plate, the dirt curtain is connected with the second connecting plate, the notch that the second connecting plate will lead to the groove shelters from and covers, and the second connecting plate passes through the screw to be fixed on the apron.

Through above-mentioned technical scheme, the connection can be dismantled on the apron through the screw to the fender dirt curtain, when the fender dirt curtain takes place to damage through long-time the use, the operator takes off the screw from the second connecting plate, the operator takes off the second connecting plate from the apron after that, the second connecting plate is taken off the fender dirt curtain through leading to the inslot in succession, then the operator changes the fender dirt curtain that takes place to damage, in advancing the baffle box with new fender dirt curtain installation again, easy operation is convenient.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the materials fall onto the conveying belt along the inner side plate, part of the materials fall into the receiving groove on the buffer plate and are accumulated in the receiving groove, the outer side of the buffer plate is covered, and the intercepted materials form a protective layer, so that the possibility that the buffer plate is abraded due to direct contact friction with the buffer plate when the subsequent materials are blanked is reduced, and the replacement frequency of the buffer plate is favorably reduced;

2. the clearance between the bottom of interior plate and the conveyer belt carries out the shutoff through the anti-overflow shirt rim, has reduced the dust and has overflowed through the clearance and cause air pollution's possibility, has played dirt-proof effect.

Drawings

Fig. 1 is a schematic view showing a structure of a feeding apparatus according to the related art.

Fig. 2 is a schematic structural diagram for showing the positional relationship between the material guide chute and the material conveying mechanism and the conveyor belt in the embodiment of the present application.

Fig. 3 is a plan view for embodying the feeding device in the embodiment of the present application.

Fig. 4 is a schematic structural diagram for showing the internal structure of the feeding device in the embodiment of the present application.

Fig. 5 is an enlarged view of a portion a in fig. 2.

FIG. 6 is a schematic view showing the positional relationship between the holder and the spill-preventing skirt in the embodiment of the present application.

Fig. 7 is an enlarged view of a portion B in fig. 4.

Reference numerals: 1. a material conveying mechanism; 11. a carrier roller frame; 12. a correction roller set; 2. a conveyor belt; 21. a feeding end; 211. closing the plate; 22. a discharge end; 3. a material guide chute; 31. an inner side plate; 32. a support leg; 33. a buffer plate; 331. a material receiving groove; 332. a support block; 333. a bump; 334. an insertion block; 335. a first connecting plate; 336. inserting grooves; 34. a metallic wear layer; 4. an anti-overflow skirt edge; 41. a straight portion; 42. a bending section; 43. a boss portion; 5. a holder; 51. channel steel; 52. a slider; 53. a connecting rod; 54. a connecting frame; 541. a horizontal portion; 542. a vertical portion; 55. a handle; 551. an abutment projection; 56. angle steel; 6. a cover plate; 61. a blanking port; 62. a first baffle plate; 63. an access hole; 64. a second baffle; 65. a through groove; 7. a dust curtain; 71. a second connecting plate; 72. a splint; 73. a screw; 74. and a nut.

Detailed Description

The present application is described in further detail below with reference to figures 2-7.

The embodiment of the application discloses a large-volume feeding device.

Referring to fig. 2, the large-volume feeding device comprises a material conveying mechanism 1, a material guide chute 3 and a cover plate 6 arranged at the top of the material guide chute 3, wherein the material conveying mechanism 1 comprises a roller support frame 11 and a deviation correcting roller set 12, the deviation correcting roller set 12 is rotatably arranged on the roller support frame 11, the deviation correcting roller set 12 is used for tensioning a top belt of a conveying belt 2, and the top belt of the conveying belt 2 is attached to the upper surface of the deviation correcting roller set 12.

Referring to fig. 3 and 4, the cover plate 6 is provided with a blanking opening 61 at a position close to the feeding end 21 of the conveyor belt 2, and the blanking opening 61 can be used for adding materials into the guide groove, and when the cover plate does not work, the blanking opening 61 can be shielded by the first baffle 62. And the cover plate 6 is also provided with an access opening 63, the access opening 63 is shielded and sealed by a second baffle plate 64, and the second baffle plate 64 is connected to the cover plate 6 through screws. The arrangement of the access hole 63 facilitates the operation and enters the device for overhauling. The guide groove is sealed at the feeding end 21 of the conveying belt 2 through the sealing plate 211, so that the possibility of dust pollution caused by dust entering air when materials are blanked is reduced.

Referring to fig. 2, the material conveying mechanism 1 is provided with a support leg 32 at the outer side, the support leg 32 is supported and arranged on the ground, and the material guide chute 3 is supported and arranged on the support leg 32 and is welded and fixed with the support leg 32. The baffle box 3 is arranged above the conveying belt 2, an inner side plate 31 is welded and fixed on the inner wall of the baffle box 3, and the bottom end of the inner side plate 31 extends to the lower part of the baffle box 3 and is positioned above the conveying belt 2. The longitudinal sections of the material guide chute 3 and the inner side plate 31 are set to be funnel-shaped with the section size decreasing from top to bottom, and the arrangement is favorable for increasing the volume of the material guide chute 3.

Referring to fig. 2, the inner side plate 31 extends to the lower part of the material guide chute 3 and is arranged along the bottom end of the material guide chute 3 in a downward inclined manner, the joint of the inner side plate 31 and the material guide chute 3 is convex, a buffer plate 33 is arranged at the convex part of one side of the inner side plate 31 departing from the material guide chute 3, the buffer plate 33 is made of polyurethane, and the buffer plate 33 is detachably connected to the inner side plate 31 through a connecting piece.

Referring to fig. 2 and 5, the connecting piece includes a supporting block 332, an inserting block 334 and a first connecting plate 335, the first connecting plate 335 is located one side of the inserting block 334 and integrally formed with the inserting block 334, inserting grooves 336 have been all seted up at both ends of the buffer plate 33 along the vertical direction, the supporting block 332 is located below the inserting block 334, the supporting block 332 is welded at one side of the inner side plate 31 deviating from the material guide groove 3, the supporting block 332 is equipped with a convex block 333 towards one side of the buffer plate 33, the convex block 333 and the supporting block 332 are integrally formed, the inserting block 334 slides and is arranged at one side of the inner side plate 31 deviating from the material guide groove 3, and the first connecting plate 335 is connected at one end of the inserting block 334 far away from the inner side plate 31. When the cushion plate 33 is fixed, the operator slides the insertion block 334 in a direction away from the holder block 332, so that the distance between the insertion block 334 and the holder block 332 is increased. Then, the operator attaches the buffer plate 33 to the inner side plate 31, and the projection 333 is correspondingly inserted into the insertion groove 336, and the bottom end of the buffer plate 33 is abutted against the support block 332; then, the operator slides the inserting block 334 towards the fresh buffer board 33 until the inserting block 334 abuts against the inserting groove 336, and at this time, the first connecting board 335 is attached to the buffer board 33, and the first connecting board 335 is fixed on the buffer board 33 by screws. One side of the buffer plate 33 departing from the inner side plate 31 is provided with a plurality of material receiving grooves 331 along the vertical direction, and the plurality of material receiving grooves 331 form a saw-tooth shape.

When the material is dropped along the wall of the guide chute 3, friction occurs between the material and the inner side plate 31 and the buffer plate 33, and the material is buffered while falling onto the buffer plate 33, whereby a part of the material is caught in the receiving chute 331 on the buffer plate 33 at the same time. Along with the material constantly piles up in connecing silo 331, the material forms one deck protective layer on the surface of buffer board 33, when the follow-up material falls down again, the material rubs with the material on buffer board 33 surface each other, is favorable to reducing the possibility that material and buffer board 33 direct friction and lead to buffer board 33 to be worn and torn, is favorable to prolonging buffer board 33's life, reduces the change frequency to buffer board 33, is favorable to resources are saved.

Because the buffer plate 33 is detachably connected to the inner side plate 31, when the buffer plate 33 needs to be replaced, an operator firstly unscrews the screws from the first connecting plate 335 and the buffer plate 33, then moves the insertion block 334 towards the direction away from the buffer plate 33 until the insertion block 334 is separated from the insertion groove 336, and then takes down the worn buffer plate 33 from the inner side plate 31 for replacement, so that the operation is simple and convenient.

Referring to fig. 2 and 6, a dust overflow preventing assembly is disposed between the inner side plate 31 and the conveyor belt 2, and includes a skirt overflow preventing edge 4 and a fixing member for fixing the skirt overflow preventing edge 4. The one end of anti-overflow shirt rim 4 and the one side that the interior plate 31 deviates from buffer plate 33 are laminated mutually, the anti-overflow shirt rim 4 other end offsets with conveyer belt 2, anti-overflow shirt rim 4 chooses for use the rubber material to make, anti-overflow shirt rim 4 includes straight portion 41 and flexion 42 of integrated into one piece, straight portion 41 and flexion 42 are the decurrent Y type of opening, one side that straight portion 41 deviates from flexion 42 offsets with one side that the interior plate 31 deviates from buffer plate 33, the one end an organic whole that straight portion 41 was kept away from to flexion 42 has bellying 43, the one end that interior plate 31 was kept away from to vertical portion 542 and bellying 43 offset with conveyer belt 2 jointly. The overflow preventing skirt 4 seals up the gap between the inner side plate 31 and the conveying belt 2, which is beneficial to reducing the possibility of dust pollution caused by the overflow of dust from the gap between the inner side plate 31 and the conveying belt 2, and can play a dustproof role. Straight portion 41 and flexion 42 contradict with conveyer belt 2 simultaneously, have played the effect of dual shutoff to the clearance between inside plate 31 and conveyer belt 2, are favorable to improving the effect of shutoff.

Referring to fig. 2 and 6, the fixing member includes a holder 5, the holder 5 is disposed on a side of the inner side plate 31 facing away from the buffer plate 33, and the holder 5 includes a channel steel 51 welded to an outer side of the inner side plate 31, a sliding block 52 slidably confined in the channel steel 51, a connecting rod 53 connected to the sliding block 52, a connecting frame 54, a holding end rotatably connected to the connecting frame 54, and a handle 55. The connection frame 54 includes integrated into one piece's horizontal part 541 and vertical portion 542, and connection frame 54 covers and establishes in the one side that channel-section steel 51 deviates from interior side plate 31, and connecting rod 53 wears to establish channel-section steel 51 and wears to establish vertical portion 542, and connecting rod 53 wears to establish the one end and the handle 55 articulated connection of vertical portion 542 to handle 55 is equipped with the butt arch 551 with one side of the articulated department of connecting rod 53, and the vertical portion 542 is kept away from the one end rotation of horizontal part 541 and is connected with angle steel 56, and angle steel 56 is the exposed core of holder 5 promptly. When the handle 55 is parallel to the vertical portion 542, the abutting protrusion 551 on the handle 55 abuts against the vertical portion 542, the sliding block 52 abuts against the groove wall of the channel steel 51, the end of the horizontal portion 541 away from the vertical portion 542 abuts against the outer side of the inner side plate 31, and the angle steel 56 abuts against the side of the straight portion 41 of the spill-proof skirt 4 away from the inner side plate 31.

When anti-overflow shirt rim 4 carries out long-term use, take place to damage, when needing to be changed, the operator overturns handle 55 downwards around the pin joint between handle 55 and connecting rod 53, make butt boss 551 and vertical portion 542 position stagger, there is movable space between the pin joint between handle 55 and the connecting rod 53 and the vertical portion 542 this moment, the operator can slide connection frame 54 along the direction of connecting rod 53 orientation keeping away from interior plate 31, thereby remove angle steel 56 to the fixed of anti-overflow shirt rim 4, then the operator is pulled down anti-overflow shirt rim 4 that takes place to damage, and change new anti-overflow shirt rim 4, and easy operation is convenient.

Referring to fig. 4 and 7, a plurality of dust curtains 7 are provided above the conveyor belt 2 in the material guide chute 3, and the plurality of dust curtains 7 are provided at intervals along the conveying direction of the conveyor belt 2. Through groove 65 has been seted up in the top of keeping off dirt curtain 7 on apron 6, be equipped with second connecting plate 71 in the top that leads to groove 65 on apron 6, logical groove 65 and link to each other with second connecting plate 71 are worn to establish by the one end of keeping off dirt curtain 7, second connecting plate 71 has two splint 72 towards one side welding of keeping off dirt curtain 7, keep off dirt curtain 7 stretches into between two splint 72, and wear to establish two splint 72 and keep off dirt curtain 7 jointly through screw rod 73, and all screw up nut 74 at the both ends of screw rod 73. The second link plate 71 covers the notch of the through-groove 65, and the second link plate 71 is fixed to the lid plate 6 by screws. The material is after blockking of a plurality of dust screens 7 from the floating dust that produces when the blanking in proper order, and the floating dust takes place to subside gradually, has reduced the conveyer belt 2 and has carried the material to the floating dust volume that gets into in the air when discharge end 22, has played dirt-proof effect.

When the dust-blocking curtain 7 is damaged and needs to be replaced, an operator unscrews the screw from the second connecting plate 71, then takes the dust-blocking curtain 7 with the second connecting plate 71 out of the material guide chute 3, then detaches the damaged dust-blocking curtain 7 from between the two clamping plates 72, then replaces the new dust-blocking curtain 7, and then loads the new dust-blocking curtain 7 into the material guide chute 3, so that the operation is simple and convenient.

The implementation principle of the large-volume feeding device in the embodiment of the application is as follows: during operation, the material falls into baffle box 3 through blanking mouth 61, and fall on conveyer belt 2 along interior plate 31 and buffer plate 33, the material is at the in-process of blanking, partial material falls into and connects silo 331, and is held back, the material adhesion that is detained this moment is on the surface of buffer plate 33, form one side protective layer on the surface of buffer plate 33, thereby reduce during the follow-up material blanking with the material on buffer plate 33 surface between the looks mutual friction, the possibility that material and buffer plate 33 direct friction led to the fact wearing and tearing to buffer plate 33 has been reduced. Then, the conveyer belt 2 conveys the materials from the feeding end 21 to the discharging end 22, and dust generated in blanking is blocked by the plurality of dust blocking curtains 7 and is settled, so that the possibility of dust entering air is reduced.

The present embodiment is only for explaining the present application, and it is not limited to the present application, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present application.

Claims (10)

1. The utility model provides a big volume material feeding unit, includes material conveying mechanism (1) and baffle box (3), its characterized in that: the utility model discloses a material guide device, including baffle box (3), baffle box (33), baffle box (3) and apron (6), the baffle box is characterized in that baffle box (3) supports the outside at material conveying mechanism (1) through landing leg (32), baffle box (3) are located the top of material conveying mechanism (1), be equipped with buffer board (33) on the cell wall of baffle box (3), one side that buffer board (33) deviate from baffle box (3) has been seted up a plurality ofly and has been connect silo (331), and is a plurality of connect silo (331) to set up along the vertical direction of buffer board (33), the top of baffle box (3) has set firmly apron (6), blanking mouth (61) has been seted up on apron (6).

2. A high volume feeding device according to claim 1, characterised in that: fixedly connected with inside plate (31) on the inner wall of baffle box (3), inside plate (31) extend to the below of baffle box (3), connection can be dismantled on inside plate (31) through the connecting piece in buffer board (33).

3. A high volume feeding device according to claim 2, characterised in that: the connecting piece comprises a supporting block (332), an inserting block (334) and a first connecting plate (335) connected to the inserting block (334), the two ends of the buffer plate (33) along the vertical direction are both provided with inserting grooves (336), the supporting block (332) is positioned below the inserting block (334), the supporting block (332) is fixedly connected to one side of the inner side plate (31) departing from the material guide groove (3), one side of the support block (332) facing the buffer plate (33) is provided with a convex block (333), the convex block (333) is inserted in the insertion groove (336), the buffer plate (33) is supported on the support block (332), the insertion block (334) is arranged on one side of the inner side plate (31) departing from the material guide groove (3) in a sliding manner, the inserting block (334) is inserted in the inserting groove (336), the first connecting plate (335) is attached to one side of the buffer plate (33), and the first connecting plate (335) is fixed to the buffer plate (33) by screws.

4. A high volume feeding device according to claim 2, characterised in that: material conveying mechanism (1) sets up rectifying roller set (12) on bearing roller frame (11) including bearing roller frame (11), rotation, rectifying roller set (12) are used for carrying out the tensioning to the top strip of conveyer belt (2), the bottom of interior plate (31) is located the top of conveyer belt (2), just be equipped with anti-overflow dirt subassembly between interior plate (31) and conveyer belt (2).

5. A high volume feeding device according to claim 4, characterised in that: the anti-dust-overflow assembly comprises an anti-dust-overflow skirt edge (4) and a fixing piece used for fixing the anti-dust-overflow skirt edge (4), one end of the anti-dust-overflow skirt edge (4) is attached to one side of the inner side plate (31) departing from the buffer plate (33), and the other end of the anti-dust-overflow skirt edge is inconsistent with the conveying belt (2).

6. A high volume feeding device according to claim 5, characterised in that: anti-overflow shirt rim (4) are including straight portion (41) and flexion (42), flexion (42) are connected in one side that straight portion (41) deviate from interior plate (31), straight portion (41) and flexion (42) all contradict with conveyer belt (2) towards one side of rectifying roller set (12).

7. A high volume feeding device according to claim 6, characterised in that: the bending part (42) is provided with a protruding part (43) towards one end of the conveying belt (2), and the protruding part (43) is abutted to the conveying belt (2).

8. A high volume feeding device according to claim 5, characterised in that: the fixing piece comprises a holder (5), the holder (5) is arranged on one side of the inner side plate (31) deviating from the buffer plate (33), and the holding end of the holder (5) is abutted on one side of the anti-overflow skirt (4) deviating from the material guide groove (3).

9. A high volume feeding device according to claim 1, characterised in that: the dust-proof device is characterized in that a plurality of dust-proof curtains (7) are arranged above the conveying belt (2) in the material guide groove (3) and are arranged at intervals along the conveying direction of the conveying belt (2), and the dust-proof curtains (7) are connected with the cover plate (6).

10. A high volume feeding device according to claim 9, characterised in that: logical groove (65) have been seted up in the top of keeping off dirt curtain (7) on apron (6), one side that apron (6) deviates from keeping off dirt curtain (7) is equipped with second connecting plate (71), keep off dirt curtain (7) and be connected with second connecting plate (71), second connecting plate (71) cover the notch that leads to groove (65) shelters from, and second connecting plate (71) pass through the fix with screw on apron (6).

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